mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 09:19:51 +00:00
28 lines
478 B
ArmAsm
28 lines
478 B
ArmAsm
![]() |
/* Sparc optimized memcmp code.
|
||
|
*
|
||
|
* Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
|
||
|
* Copyright (C) 2000, 2008 David S. Miller (davem@davemloft.net)
|
||
|
*/
|
||
|
|
||
|
#include <linux/linkage.h>
|
||
|
#include <asm/asm.h>
|
||
|
|
||
|
.text
|
||
|
ENTRY(memcmp)
|
||
|
cmp %o2, 0
|
||
|
1: BRANCH32(be, pn, 2f)
|
||
|
nop
|
||
|
ldub [%o0], %g7
|
||
|
ldub [%o1], %g3
|
||
|
sub %o2, 1, %o2
|
||
|
add %o0, 1, %o0
|
||
|
add %o1, 1, %o1
|
||
|
subcc %g7, %g3, %g3
|
||
|
BRANCH32(be, pt, 1b)
|
||
|
cmp %o2, 0
|
||
|
retl
|
||
|
mov %g3, %o0
|
||
|
2: retl
|
||
|
mov 0, %o0
|
||
|
ENDPROC(memcmp)
|